Sandi T Woo, PA-C - Medicare Physician Assistant in Castro Valley, CA

Sandi T Woo, PA-C is a medicare enrolled "Physician Assistant - Medical" in Castro Valley, California. She went to Duke University School Of Medicine and graduated in 2006 and has 18 years of diverse experience with area of expertise as Physician Assistant. She is a member of the group practice Sutter Bay Medical Foundation, University Healthcare Alliance and her current practice location is 20126 Stanton Ave #100, Castro Valley, California. You can reach out to her office (for appointments etc.) via phone at (510) 537-3556.

Sandi T Woo is licensed to practice in California (license number PA18589) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1225103161.

Contact Information

Sandi T Woo, PA-C
20126 Stanton Ave #100,
Castro Valley, CA 94546-5367
(510) 537-3556
(510) 537-3610

Map and Direction




Provider's Profile

Full NameSandi T Woo
GenderFemale
SpecialityPhysician Assistant
Experience18 Years
Location20126 Stanton Ave #100, Castro Valley, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Sandi T Woo attended and graduated from Duke University School Of Medicine in 2006
  NPI Data:
  • NPI Number: 1225103161
  • Provider Enumeration Date: 11/22/2006
  • Last Update Date: 07/01/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 3072761436
  • Enrollment ID: I20120911000158

Medical Identifiers

Medical identifiers for Sandi T Woo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225103161NPI-NPPES
PA18589OtherCAPA LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363AM0700XPhysician Assistant - Medical PA18589 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Alta Bates Summit Medical CenterOakland, CAHospital
Stanford Health CareStanford, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Sutter Bay Medical Foundation42845387782941
University Healthcare Alliance6305748799346

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Sandi T Woo is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Sandi T Woo, PA-C
2855 Mitchell Dr Ste 223,
Walnut Creek, CA 94598-1609

Ph: (510) 537-3556
Sandi T Woo, PA-C
20126 Stanton Ave #100,
Castro Valley, CA 94546-5367

Ph: (510) 537-3556

Reviews and Comments


Physician Assistant Nurses in Castro Valley, CA

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Jasmine M Halloran, PAC
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Phone: 510-727-3015    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.